* The Kansas City Chiefs' star quarterback, Patrick Mahomes, is coming back after a big knee surgery. He's playing his first game against the Denver Broncos, who are really good at getting to the quarterback.
* The Chiefs have a problem because their main left tackle is hurt, so a new player who hasn't played much will have to protect Mahomes's side. Everyone is a little worried about how this will go.
* Even though he had a serious injury, Mahomes is back super fast, and his teammates are amazed by how hard he worked to get ready. They know he's a tough competitor and will play his best.